Comment on ``Manipulating the frequency entangled states by an acoutic-optical modulator''
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🪐 quant-ph
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commententanglementmeasurementswappingwithoutacousto-opticacoutic-opticalbell-state
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A recent theoretical paper [1] proposes a scheme for entanglement swapping utilizing acousto-optic modulators without requiring a Bell-state measurement. In this comment, we show that the proposal is flawed and no entanglement swapping can occur without measurement.
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